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Meteor 1.8, Apollo 2, React 16, Multilingual ready, PWA, Styled-Components boilerplate

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timothyarmes/ta-meteor-apollo-starter-kit

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A starting point for creating a new multilingual Progressive Web Application based on Apollo 2, Meteor 1.8 and React 16.6, with support for server-side rendering, authentication and Styled Components.

This project includes the following libraries/functionality:

  • Apollo 2 GraphQL server running with Express bound to the Meteor (1.8) app
  • React 16.6
  • Multilingual support (using react-intl) with dynamic loading of required locale messages
  • Authentication: password & facebook (server-side Meteor accounts, GraphQL client-side)
  • SSR with support for an app-shell specific route
  • App-Shell based architecture with dynamic loading of required components
  • Styled components
  • Recompose
  • Jest & Enzyme for testing
  • Storybook
  • sanitize.css
  • basscss
  • Basic admin functionality
  • Code splitting on startup and router level
  • Progressive Web App features:
    • service-worker;
    • caching;
    • add to home screen;
    • push notifications;
    • app shell architecture;

This starter kit is based on the excellent work done by Federico Rodes, however it had been very heavily modified 1.

Step by step guide to get started with this boilerplate

1. Clone the project and install NPM dependecies:

git clone https://github.com/timothyarmes/ta-meteor-apollo-starter-kit.git
cd ta-meteor-apollo-starter-kit/
meteor npm install

2. Create your settings.json file:

Create a new file called settings.json based on the provided settings.sample.json.

3. Register the app on Mailgun:

Mailgun will allow you to use password authentication service and send emails from your app.

In order to get started, first access your Mailgun account. Then, grab your sandbox domain smtp username and password and copy said values into your settings.json file. Finally, add your email address to the list of Authorized Recipients.

4. Register the app on Facebook.

You only need to do this if you wish to have Facebook logon support. You may also need to run the starter kit's https proxy (see below for more details):

  1. Visit https://developers.facebook.com
  2. Add a new app from the My Apps menu
  3. Choose the `Facebook Login product, and accept the defaults. You don't need a direct URL.
  4. Copy your appId to your settings.json file.

5. Setup Push Notifications Service

  1. create a new file called manifest-pwa.json based on the provided manifest-pwa.sample.json (see /public folder).
  2. get your Google Cloud Message (GCM) server key and sender id from Firebase as follows:
  • first, got to your Firebase account: https://console.firebase.google.com/;
  • click on 'Add project';
  • click on 'settings' ('gear' icon, top left);
  • move to the 'CLOUD MESSAGING' tab at the top;
  • you should be able to see both server key and sender id;
  1. copy your sender id to your manifest-pwa.json and your server key to your settings.json ("firebase": { "privateKey": ...);
  2. open a terminal and install 'web-push' globally: npm i -g web-push;
  3. generate VAPID keys: web-push generate-vapid-keys --json;
  4. copy-paste your VAPID keys into your settings.json file;

6. Run the app

You should now be able to run the app locally:

meteor --settings settings.json

Understanding the Boiler Plate's Architecture

The root of project contains two important directories: app contains the application source and tests contains mocks that are used by Jest when running tests.

The app directory is cleanly separated into:

  • api - Contains the GraphQL types and resolvers as well as other related utilities
  • entry-points - Contains the client and server entry points
  • intl - Contains the message strings for the supported locales
  • ui - Contains all the React components for the user interface

The PWA architecture

This demo app provides an application-shell containing a header and a menu, along with the minimal styles necessary to display this shell. The initial client-side javascript downloaded to the client is also as small as possible, with the code for the routes to be displayed being brought in afterwards using dynamic imports (see /app/entry-points/client/startup.js). This allows the application shell to be displayed very quickly for a great user experience.

The app uses a services worker to provide its Progressive Web App features. The service worker uses Google's Workbox to handle the caching of the application shell and its required files. The worker downloads and caches a special route called /app-shell which contains only the shell (without any other server-side rendered content). When the app is refreshed the service worker will always request this route from the server to retrieve (and quickly display) the app shell container, at which point the client will update the interface and data using dynamic imports and react-loadable.

The latest /app-shell is always fetched from the server and re-cached when the app is on-line. When off-line, the service work will use its cached local copy.

Finally, the service worker makes good use of the fact that Meteor supplies hashes for all the files that it injects into the HTML payload. Requests for hashed files are returned from the local storage if they're cached, and if not they're fetched and stored for future use. This can substantially improve the load time after the first visit.

To modify the service worker's sw.js file you'll first need to install workbox-cli:

npm install -g workbox-cli

Then, make your changes to swSrc.js, and then run:

npm run update-sw

This will inject the dependencies from the /public folder into the swSrc.js and save the result into sw.js.

react-loadable and SSR

react-loadable is used to provide support for dynamic loading of react components. This package requires special care when rendering on the server. The meteor package nemms:meteor-react-loadable provides the necessary support for this purpose. Of particular importance is the fact that any dynamically loadable components need to be defined as constants in the build, so that they can be 'captured' and preloaded by the server. In this starter-kit the reloadable components are defined in app/ui/loadables.js.

Note that nemms:meteor-react-loadable can't be used to handle nested loadable components.

Multilingual support

When creating a new project it's incredibly important to internationalise your application from the beginning. Adding multilingual support later on is a much more complicated task.

Even if you're not internationalising your app, using translation files makes it easier to handle things such as plural strings, and you'll be ready for that day when the client decides that they do want a localised version after all.

For these reasons the starter kit comes with out-of-the box support for multilingual support. The locale is specified on the URL using one of two schemes:

  1. Non-prefixed URLs (e.g. /my-page) are displayed in the site's primary language, all other locales have prefixed URLs (e.g. /fr/my-page).

This is the case when primaryLocale is defined in /app/intl/index.js. Using a primary locale means that the user won't automatically see a localised version of the site when visiting the root. This is the best option if you don't initially intend on localising your site, since the URLs won't be prefixed.

  1. There's no primary locale, and all URLs are prefixed.

This is the case if primaryLocale is undefined. In this case, if the user visits the root (or any url that isn't prefixed with a known locale) then the user will be redirected to the best-matching locale based on the accept-language setting sent by their browser. This is the best choice for multilingual sites since the user will immediately see a localised version of the site.

Once the locale is read from the URL, the locale's messages are fetched and cached via a GraphQL query.

The translations strings are all stored in one file in the starter kit, however they're in a simple JS object, so you can split them up if you prefer. The important thing to note is that you do not need to send all your messages to the client in one go. The translation file is separated into sections, allowing you to only fetch the translations that you need for a specific area of your site. By way of example, the starter kit has an app section for the main app, and an admin section for the administration area. The handy Localised component allows you to easily fetch the translations for a given section:

const LocalisedAdminPage = props => (
  <Localised section="admin"><WrappedInnerAdmin {...props} /></Localised>
);

Localised components can be nested, and children have access to all the messages defined by all the ancestors.

GraphQL endpoints for Meteor accounts

This starker kit uses Meteor's own user accounts support on the server, however a full set of GraphQL endpoints have been provided so that the client can eschew Meteor's accounts on the client. Meteor accounts are excellent, however there are several reasons to prefer GraphQL in this situation:

  • This is a Meteor/Apollo starter kit, so it seems reasonable to assume that developers would prefer not two have two difference storage solutions - Meteor collections for the user account and Apollo for everything else. Having Apollo manage everything is cleaner.

  • Providing a full set of GraphQL endpoints for account creation and authentication will prove very useful when developing other non-Meteor clients (mobiles apps, for example) that also wish to connect to the server.

  • By removing all remnants of client-side collections we can remove MiniMingo, thus making a significant space saving. Unfortunately this work is still be be done (push requests are welcomed!).

Oauth

Also worthy of note is that the kit doesn't rely on Meteor's OAuth support for the facebook login, preferring instead to use react-facebook-login to retrieve the access token that's then used to login into Facebook using Meteor accounts on the server (via GraphQL). The reason for this is due to the way Meteor works when using OAuth:

  1. The client clicks the login button, which opens a Facebook login pop-up.
  2. Facebook connects to the Meteor server at a special URL (_../_oauth/facebook?close) to verify the login
  3. The Meteor server verifies the login and retrieves an access token, which is then set on the user account
  4. The update to the user account is sent back to the client via ddp, and the User collection is updated on the client (via MiniMongo). The client then has the access token.

Since we don't wish to rely on Meteor collections this mechanism doesn't work for us. We need the access token to be returned directly from Facebook. react-facebook-login does exactly this.

Local https support

The starter kit can, if desired, use an HTTP proxy to provide a secure local connection so that your site will be served on https. This isn't generally required, however if you try the Facebook login you'll see this error pop up in the console:

The method FB.login will soon stop working when called from http pages. Please update your site to use https for Facebook Login. https://developers.facebook.com/blog/post/2018/06/08/enforce-https-facebook-login/

So if it hasn't already stopped working by the time you're reading this, it will soon. To run the server under https, you'll first need to install openssl:

$ apt-get install openssl
$ brew install openssl

Then you should create your private keys. Create a private/ssl folder at the root of your project then, from that folder:

$ openssl genrsa -des3 -passout pass:x -out server.pass.key 2048
$ openssl rsa -passin pass:x -in server.pass.key -out server.key
$ rm server.pass.key
$ openssl req -new -key server.key -out server.csr
$ openssl x509 -req -sha256 -days 365 -in server.csr -signkey server.key -out server.crt

Now you can run the server via the proxy:

$ npm run localHttps

If you try to visit your site using Chrome, it will fail due to the fact that your certificate is self-signed. You need to open an instance of Chrome without this security check. The project includes a handy npm command for Mac users:

$ npm run devChromeMac

Finally, you'll be able to access your site and log into Facebook with no warnings! It's a palava. Hopefully Facebook will hold off on this requirement for a while yet.

More resources

Storybooks

Storybook is a javascript development environment which makes it easy to see and experiment with your React components with having to run the entire applications. It's ideally suited to simple components that don't require access to external data to operate. The kit provided stories for most of the the dumb components.

To run Storybook, open a new terminal (the meteor app doesn't need to be running) and type:

npm i -g @storybook/cli
npm run storybook

Storybook will be available at http://localhost:6006/.

Deploy to Heroku

In case you want to deploy the app to Heroku, follow these steps:

1. open a new terminal
2. type: 'heroku login' (enter your credentials)
3. heroku create <YOUR_APP_NAME>
4. heroku buildpacks:set https://github.com/AdmitHub/meteor-buildpack-horse.git
5. heroku addons:create mongolab
OR
5. heroku config:set MONGO_URL=mongodb://<dbuser>:<dbpassword>@<something>.mlab.com:<port>/<dbname>
6. heroku config:set ROOT_URL=https://<YOUR_APP_NAME>.herokuapp.com
7. heroku config:add METEOR_SETTINGS="$(cat settings.json)"
8. git push heroku master
OR (if you are working on a different branch than master)
8. git push heroku <BRANCH-NAME>:master
9. heroku open

Favicon / manifest generator

In order to generate the favicons for your project, you can use the following generator: https://realfavicongenerator.net/

Bundle-visualizer

cd meteor-apollo-starter-kit/
meteor --extra-packages bundle-visualizer --production --settings settings.json

Then go to: http://localhost:3000/

Finding dependencies:

npm ls <lib-name>

Before deploying to production, if you used --extra-packages, simply remove bundle-visualizer from the list of included packages and run meteor as normal.

Learn more at:

Look for meteor package dependencies

The following command is handy when trying to reduce your client bundle size and need to identify where the dependencies are coming from.

meteor list --tree

OR

for p in `meteor list | grep '^[a-z]' | awk '{sub(/[+*]$/, "", $2);
print $1"@"$2 }'`;
do echo "$p";
meteor show "$p" | grep -E '^  [a-z]';
echo;
done

Learn more:

Lighthouse

npm install -g lighthouse
# or use yarn:
# yarn global add lighthouse

Then, open a new terminal and run meteor in production mode so that assets get bundle and the app's performance gets to a real deployment meteor run --production --settings settings.json

After that, open a new terminal and run: lighthouse http://localhost:3000

In case you run lighthouse inside the /meteor-apollo-starter-kit app's folder, you'll need to delete the report generated by the audit to avoid a static-html error. See issue #60 for more info.

Further reading: articles, docs and (video) tutorials

Meteor Apollo

Progressive Web Apps / Service Workers

PWA off-line support

Service Workers Scripts

Dynamic imports

styled components

1 Updates include: Meteor 1.8, Apollo 2, SSR, Multilingual support, complete overhaul of the service worker for better caching, restructuring components to use recompose, removal of redux (since we have apollo-link-state now), GraphQL endpoints for authentication, and many other little things.

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